Optimasi Dengan Algoritma RSM-CCD Pada Evaporator Vakum Waterjet Dengan Pengendali Suhu Fuzzy Pada Pembuatan Permen Susu

https://doi.org/10.22146/agritech.12868

Yusuf Hendrawan(1*), Bambang Susilo(2), Angky Wahyu Putranto(3), Dimas Firmanda Al Riza(4), Dewi Maya Maharani(5), Mutiara Nisa' Amri(6)

(1) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(2) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(3) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(4) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(5) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(6) Jurusan Keteknikan Pertanian, Fakultas Teknologi Pertanian, Universitas Brawijaya, Jl. Veteran, Malang 65145
(*) Corresponding Author

Abstract


Milk candy is a product which has to be produced under a high temperature to achieve the caramelization process. The use of vacuum system during a food processing is one of the alternatives to engineer the value of a material’s boiling point. The temperature control system and the mixing speed in machine that produce the milk candy were expected to be able to prevent the formation of off-flavour in the final product. A smart control system based on fuzzy logic was applied in the temperature control within the double jacket vacuum evaporator machine that needs stable temperature in the cooking process. The objective of this research is developing vacuum evaporator for milk candy production using fuzzy temperature control. The result in machine and system planning showed that the process of milk candy production was going on well. The parameter optimization of water content and ash content purposed to acquire the temperature point parameter and mixing speed in milk candy production. The optimization method was response surface methodology (RSM), by using the model of central composite design (CCD). The optimization resulted 90.18oC for the temperature parameter and 512 RPM for the mixing speed, with the prediction about 4.69% of water content and 1.57% of ash content.

ABSTRAK

Permen susu merupakan salah satu produk yang diolah dengan suhu tinggi untuk mencapai proses karamelisasi. Pengolahan pangan dengan sistem vakum merupakan salah satu alternatif untuk merekayasa nilai titik didih suatu bahan. Sistem pengendalian suhu serta kecepatan pengadukan pada mesin produksi permen susu diharapkan dapat mencegah terbentuknya partikel hitam (off-flavour) pada produk akhir. Sistem kontrol cerdas logika fuzzy diaplikasikan dalam pengendalian suhu pada mesin evaporator vakum double jacket yang membutuhkan tingkat stabilitas suhu pemasakan permen susu. Tujuan dari penelitian ini adalah membuat rancang bangun evaporator vakum pada pembuatan permen susu dengan menggunakan pengendali suhu fuzzy. Hasil perancangan mesin dan sistem menunjukkan bahwa proses produksi permen susu dapat berlangsung dengan baik. Optimasi parameter kadar air dan kadar abu dilakukan untuk mendapatkan titik parameter suhu dan kecepatan pengadukan produksi permen susu yang optimum. Metode optimasi menggunakan response surface methodology (RSM) model central composite design (CCD). Hasil optimasi didapatkan parameter suhu 90,18oC dan kecepatan pengadukan 512 RPM, dengan prediksi produk permen susu memiliki nilai kadar air 4,69% dan kadar abu 1,57%.


Keywords


Optimization; vacuum evaporator; fuzzy; milk candy; response surface methodology

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DOI: https://doi.org/10.22146/agritech.12868

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Agritech (print ISSN 0216-0455; online ISSN 2527-3825) is published by Faculty of Agricultural Technology, Universitas Gadjah Mada in colaboration with Indonesian Association of Food Technologies.


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